(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[19]KM[0.00]
AW[hl][dm][hm][cn][dn][en][hn][in][eo][fo][go][ho]AB[dl][el][fl][il][em][fm][gm][im][fn][gn][jn][do][io][jo][cp][ep][ip][gq]LB[lo:T]TR[ep][ip][gq]C[Disconnect black stones into 2 groups.
If black stones are conneted play T]PL[W]
(;W[fq]CR[fq]
;B[fp]CR[fp]
(;W[hq]CR[hq]C[RIGHT
Black groups are disconnected])
(;W[gp]CR[gp]
;B[hq]CR[hq]
;W[eq]CR[eq]
;B[dp]CR[dp]
;W[dq]CR[dq]
;B[cq]CR[cq]C[wrong. 3 white stones are to weak and can be captured]))
(;W[hq]CR[hq]
;B[hp]CR[hp]
(;W[fq]CR[fq]C[RIGHT
Black groups are disconnected])
(;W[gp]CR[gp]
;B[fq]CR[fq]
;W[iq]CR[iq]
;B[jq]CR[jq]
;W[jr]CR[jr]
;B[kr]CR[kr]
(;W[kq]CR[kq]
;B[jp]CR[jp]
;W[lr]CR[lr]
;B[ir]CR[ir]C[black stones are connected])
(;W[hr]CR[hr]
;B[kq]CR[kq]
;W[gr]CR[gr]
;B[fr]CR[fr]
;W[is]CR[is]
;B[gs]CR[gs]C[white stones are dead])))
(;W[lo]CR[lo]C[Wrong
Black stones can be disconnected.
See variants.]))